/*
 * Copyright 2015-2025 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package demo;

/**
 * Simple interface for command line commands.
 *
 * @author Mahmoud Ben Hassine
 */
public interface Command {

    /**
     * The command name.
     * @return the command name
     */
    String getName();

    /**
     * The command description.
     * @return the command description
     */
    String getDescription();

    /**
     * Execute the command.
     * @param args the command arguments
     * @return the message to be printed to the console
     * @throws Exception in case of error
     */
    String execute(String[] args) throws Exception;

}
